Finding the Fourth Proportional to 129,327.69, 193,999.74 and 40,584.70
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Solution
The fourth proportional to 129,327.69, 193,999.74 and 40,584.70 is: 60,879.62
Step by Step Solution
- Step 1: Write the proportion equation
129,327.69 : 193,999.74 = 40,584.70 : x - Step 2: Convert to fraction form
129,327.69/193,999.74 = 40,584.70/x - Step 3: Cross multiply
129,327.69x = 193,999.74 × 40,584.70 - Step 4: Simplify right side
129,327.69x = 7,873,421,247.98 - Step 5: Solve for x
x = 7,873,421,247.98/129,327.69 - Step 6: Final answer
x = 60,879.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.